Back plate for lighting fixture



FIG. 1 is a combined top plan and section along line 1--1 of FIG. 3 view of a first embodiment of my new design;

FIG. 2 is a side view of a first embodiment of my new design;

FIG. 3 is a section along line 3--3 of FIG. 1 view of a first embodiment of my new design;

FIG. 4 is a perspective view of a first embodiment of my new design;

FIG. 5 is a combined top and section along 5--5 of FIG. 6 view of a second embodiment of my new design;

FIG. 6 is a side view of a second embodiment of my new design;

FIG. 7 is a section along line 7--7 of FIG. 5 view of a second embodiment of my new design;

FIG. 8 is a perspective view of a second embodiment of my new design;

FIG. 9 is a combined top and section along line 9--9 of FIG. 10 view of a third embodiment of my new design;

FIG. 10 is a side view of a third embodiment of my new design;

FIG. 11 is a section along line 11--11 of FIG. 9 view of a third embodiment of my new design; and,

FIG. 12 is a perspective view of a third embodiment of my new design. 

The ornamental design for a back plate for lighting fixture, as shown and described. 